'The farmer drives a Tesla.'

If you live in Europe, the red windmill on a package of Rügenwalder Mühle-brand pommersche or frikadellen is as familiar to you as Tyson’s red oval or a tin of Spam. The family-owned company launched in 1834 as a butcher shop, after all, and has been one of Germany’s most popular consumer meat brands for generations.

Until it wasn’t. Until it morphed into the country’s No. 1…